Herbicide label

FEVER Herbicide Label

FEVER (EPA 7969-448-89391) is a Group 10 glufosinate herbicide labeled for 8 crops. The label lists 117 controlled weeds, plus partial-control, suppression, and partner-control categories.

“FEVER Herbicide is a non-selective herbicide that provides control of a broad spectrum of broadleaf and grassy weeds.”

— FEVER EPA label, Reg. No. 7969-448-89391

FEVER label facts

Crops on the FEVER label

FEVER is labeled for these 8 crops and uses, per the EPA label.

Weeds on the FEVER label

The FEVER label names 125 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control117
  • alfalfa
  • amaranth, palmer
  • anoda, spurred
  • barley
  • barnyardgrass, common
  • bedstraw, catchweed
  • beggarweed, florida
  • bermudagrass
  • bindweed, field
  • bindweed, hedge
  • black medic
  • bluegrass, annual
  • bluegrass, kentucky
  • blueweed, texas
  • bromegrass, smooth
  • buckwheat, wild
  • buffalobur
  • burcucumber
  • burdock
  • volunteer canola
  • carpetweed
  • chickweed, common
  • chickweed, mouseear
  • clover, red
  • cocklebur, common
  • copperleaf, hophornbeam
  • corn, volunteer
  • crabgrass, large
  • crabgrass, smooth
  • croton, tropic
  • croton, woolly
  • cupgrass, woolly
  • dandelion
  • devil's claw
  • eclipta
  • fleabane, annual
  • foxtail, bristly
  • foxtail, giant
  • foxtail, green
  • foxtail, robust purple
  • foxtail, yellow
  • galinsoga, hairy
  • galinsoga, smallflower
  • geranium, cutleaf
  • goosegrass
  • groundcherry, cutleaf
  • hempnettle
  • horsenettle
  • jimsonweed
  • rhizome johnsongrass
  • johnsongrass, seedling
  • junglerice
  • knotweed
  • kochia
  • ladysthumb
  • lambsquarters, common
  • mallow, common
  • mallow, venice
  • horseweed
  • marsh elder, annual
  • millet, proso volunteer
  • millet, wild-proso
  • morningglory, entireleaf
  • morningglory, ivyleaf
  • morningglory, pitted
  • morningglory, sharppod
  • morningglory, smallflower
  • morningglory, tall
  • mustard, wild
  • nightshade, black
  • nightshade, eastern black
  • nightshade, hairy
  • nightshade, silverleaf
  • nutsedge, yellow
  • wild oats
  • orchardgrass
  • pennycress, field
  • pigweed, prostrate
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • pigweed, tumble
  • pokeweed, common
  • puncturevine
  • purslane, common
  • pusley, florida
  • ragweed, common
  • ragweed, giant
  • rice, volunteer
  • sandbur, field
  • senna, coffee
  • sesbania, hemp
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, pennsylvania
  • smell melon
  • sorghum, volunteer
  • sowthistle, annual
  • sowthistle, perennial
  • soybeans, volunteer
  • sprangletop
  • spurge, prostrate
  • spurge, spotted
  • starbur, bristly
  • stinkgrass
  • sunflower, annual
  • sunflower, prairie
  • sunflower
  • thistle, canada
  • thistle, russian
  • velvetleaf
  • waterhemp, common
  • volunteer wheat
  • witchgrass

Suppression

suppression8
  • dock, smooth
  • dogbane, hemp
  • milkweed, honeyvine
  • muhly, wirestem
  • nutsedge, purple
  • poinsettia, wild
  • thistle, bull
  • timothy

FEVER rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

FEVER FAQ

What weeds does FEVER control?

The FEVER label names 125 weeds, including alfalfa, palmer amaranth, spurred anoda, barley, common barnyardgrass, and catchweed bedstraw. Control varies by crop, rate, and timing.

What crops is FEVER labeled for?

FEVER is labeled for 8 crops and uses, including field corn, soybeans, cotton, sugar beet, and canola.

What is the active ingredient in FEVER? Is it a generic?

FEVER's active ingredient is glufosinate (MOA Group 10). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.